Webamenities and monthly membership rates vary by gym and membership type. Call gym for details. Eōs fitness is the better gym at the better price. Achieve your fitness goals. Webhow much does an eōs fitness membership cost? All eōs fitness memberships are extremely affordable and vary in cost based on the gym type and the membership tier. Webmonthly fees typically range from $9. 99 to $19. 99 per month, depending on location and membership tier. There is also an annual membership fee of $49. 99. Webwe'll break down all the details on eos fitness, from how much you can expect to shell out to the types of memberships they offer. Whether you're pinching pennies or looking to.